How energy efficient is The SUB Home Tap?

The SUB Home Tap has an energy label of "A+". This means this is one of the most efficient appliances within the home draught system category. The SUB uses an average of 10 Watts in a “steady state.” It is comparable to an unopened refrigerator. 10 Watts is the same as a usage of 0,010 kWh per hour. On an annual basis, assuming The SUB is switched on all year, the energy consumption in the "steady state" is approximately 87.6 kWh.